See Blau F and Kahn L (1997), "Swimming Upstream: Trends in the Gender Wage Differential in the 1980s", Journal of Labor Economics, Vol. 15, No. 1, Part 1 (Jan., 1997), pp. 1-42 ]
Zie: Blau, F., en Kahn, L. (1997), "Swimming Upstream: Trends in the Gender Wage Differential in the 1980s", Journal of Labor Economics, Vol. 15, No. 1, Part 1 (januari 1997), blz. 1-42. ]